Thermistor composition containing vanadium dioxide



Sept. 17, 1968 HISAO FUTAKI ETAL 3,402,131

THERMISTOR COMPOSITION CONTAINING VANADIUM DIOXIDE Filed July 27, 1965 ELECTRICAL RESISTANCE, R

24 Sheets-Sheet 1 TEMPERATURE, T

FIG. 2

ELECTRICAL RESISTANCE (n) TEMPERATURE ('C) INVENTORS mm mm", mm mnvnsui flmom. ION/rants Him, imam vnmmmm lnlin Sept. 17, 1968 HISAO FUTAKI ET AL 3,402,131

THERMISTOR COMPOSITION CONTAINING VANADIUM DIOXIDE Filed July 27, 1965 24 Sheets-Sheet 2 7| sgmm- STEP 3 TREFALETAJENT STEP 4 PULVERIZING STEP 5- $E A TflEST STEP 6 MOULDING STEP 8 CwrLgI NfiZE TQR FIG. 4

UNITzmm INVENTORS msqo FMBKLKMM mm'nswi n mu mmnxssm' sail-mm imam Ynnnpnmino Nm'm Sept. 17, 1968 HISAO FUTAKI ET AL I THERMISTOR COMPOSITlON CONTAINING VANADIUM DIOXIDE 24 Sheets-Sheet 4 Filed July 27,

r m. 5 PA r r m c cam 86 W VV VWW W m w 2: 3252mm. EuESud FIG. 7

TESTING TIME (DAYS) TEMPERATURE ('6) FIG. II

' INVENTORS msno Rmmi kmuo mums THERMISTOR COMPOSLTION CONTAINING YANADIUM DIOXIDE Filed July 27, 1965 Sept. 17, 1968 H o FUTAK] ET AL 24 Sheets-Sheet b FIG. 8

m m w A8 625 mrmwm iuEBmd TEMPERATURE (6) INVENTORS I H150 Farm, Kl lzuojtobnwsm Minna. Rom',Tnmm suinm, mnwlo Ynmpmxnzino Nnmrn JJ. mum.

Sept. 17, 1968 HISAO F'UTAKI ET THERMISTOR COMPOSlTION CONTAINING VANADIUM DIOXIDE Filed July 27, 1965 24 Sheets-Sheet 6 INVENTOR5 m'sqo Furnki, Knz v Kmmsui, HinoN noxi,rnxsu( suinonn, fiznguno Ynmmonna mirn Sept. 17, 1968 HISAO FUTAKI ET AL 3,402,131

THERMISTOR COMPOSl'I'ION CONTAINING VANADIUM DIOXIDE Filed July 27, 1965 24 Sheets-Sheet 7 I FIG. l2

ELECTRICAL RESISTANCE (a) 40 6O 80 I00 I20 TEMPERATURE ('0) FIG. l4

ELECTRICAL RESISTANCE (a) 6 40 6O 80 I00 TEMPERATURE ('C) .INVENTOM HMO Furnm Mum xomsm. "mom naxgrmsm ,snmoyp, EillllLlo "mm, mm him .1! 81m] mum HISAO FUTAKI ET AL 3,402,131

Sept. 17, 1968 T HERMISTOR COMPOSITION CONTAINING VANADIUM DIOXIDE Filed July 27, 1965 24 Shets-Sheet a FIG. l3

5 m k Q x w k 8|, w .R O O c d rNwQN 4 6 5 4 3 2 I 00 w m D b m m. m

TEMPERATURE ('C) ,Tnxism' sninovq. mama YMMIJOH'I Nnlnn Sept. 17, 1968 HISAO FUTAKI ET AL 3,402,131

THERMISTOR COMPOSX'I'ION CONTAINING VANADIUM DIOXIDE Filed July 27, 1965 24 Sheets-Sheet 9 FIG. l5

2 l m l w 2: 3252mm $253 6 TEMPERATURE ('C) INVENTORS m sno mm. Knmo Kama m rl uolu. nom'fl'nxzsni sninowp, mama YRHRDR Kozilo mm Sept. 17, 1968 HISAO FUTAKI ET AL 3,402,131

THERMISTOR COMPOSITION CONTAINING VANADIUM DIOXIDE Filed July 27, 1965 24 Sheets-Sheet FIG. l6

ELECTRICAL RESISTANCE (Q) l 40 60 80 I00 I TEMPERATURE ('0) 40 I00 TEMPERATURE ('0) INVENTORS mg no Farm knzuo Kownsui, mom rm.- ,TnKESm' sninom. cannula Ymm. min mm Sept. 17, 1968 HISAO FUTAKI ET AL THERMISTOR COMPOSiTIQN CONTAINING VANADIUM DIOXIDE Filedjuly 27, 1965 ELECTRICAL RESISTANCE (f1) 24 Sheets-Sheet 1 1 FIG. l8

TEMPERATURE ('0) IOO , INVENTOR5 m sno Fufm mzuo kolqvnsui, much IKI',TIKi5Ni mno1 p, mum Yum, ammo Hum! Sept. 17, 1968 THERMISTOR COMPOSITION CONTAINING VANADIUM DIOXIDE Filed July 27, 1965 ELECTRICAL RESISTANCE m) HISAO FUTAKI ET AL 3,402,131

24 Sheets-Sheet 12 FIG. I9;

TEMPERATURE (C) INVENTORS mm) mm Kuuo lwlm'lsm" Him non, 'msni suinoon.

ammo vlmm mmo uui'm Sept. 17, I968 HISAO FUTAKI ET AL THERMISTOR COMPOSITION CONTAINING VANADIUM DIOXIDE Filed July 27, 1965 ELECTRICAL RESISTANCE (0) FIG. 20

24 Sheets-Sheet 13 b l0 w n I O 40 6O 8O I00 I20 TEMPERATURE (C) I INVENTORS msno Furrm, Knuo kobmsui I mum Rom, Tnxisui swim.

Eiznwlo mm, min Mama all/van] 7770.4!!!

Sept. 17, 1968 s o FUTAK| ET AL 3,402,131

THERMISTOR COMPOSITION CONTAINING VANADIUM DIOXIDE Filed July 27, 1965 24 Sheets-Sheet 14 FIG. 2|

x t k A X I00 TEMPERATURE ('c) I INVENTOR) msna mm, klmo mnrnsm, m'uonu non, Tnxssm' suinozm,

- imam Yum. Komo META Sept. 17, 1968 H|5AQ FUTAK| ET AL I 3,402,131

'THERMISTOR COMPOSITION CONTAINING VANADIUM DIOXIDE Filed July 27, 1965 24 Sheets-Sheet 15 FIG. 22

TEMPERATURE (c) INVENTORS Hisno Fumri, mac kobavnsfli,

THE-RMISTOR COMPOSITION CONTAINING VANADIUM DIOXIDE Filed July 27, 1965 Sept. 17, 1968 HISAO FUITAKI ET AL 24 Sheets-Sheet 16 FIG. 23

8) I00 TEMPERATURE (C) INVENTORS msno Fu flKg, K8110 BMW H MORQ ROM THKESN SNIMODII, EIZHBW'IO YHHID'I, X02410 NINTH I JJ. mark:

Sept. 17, 1968 HISAO FUTAKI ET AL 3,402,131

THERMIS TOR COMPOSlTION CONTAINING VANADIUM DIOXIDE Filed July 27, 1965 24 Sheets-Sheet 17 FIG. 24

g g I6 5 d E 8 d K? 20 4O 6O 80 I00 I20 TEMPERATURE ('0) I INVENTORS m sno Farm, nnuo Kopnvnsn qmcnu. non Tnximsmmn, flznuko Ynmm. Komo mm Sept. 17, 1968 HISAO FUTAKI ET AL 3,402,131

THERMISTOR COMPOSITION CONTAINING VANADIUM DIOXIDE Filed July 27, 1965 24 Sheets-Sheet 18 2O 4O 6O 80 I00 I20 TEMPERATURE (C) INVENTOR$ msno Funm Knzuo KQBRYA H Minolu Mom nkisui NMODM Eiznlulo Yflmbfl, Kozllo mm J1 mam Sept. 17, 1968 HISAO FUTAKI ET AL 3,402,131

THERMISTOR COMPOSlTION CONTAINING VANADIUM DIOXIDE Filed July 27, 1965 7 24 Sheets-Sheet 19 ELECTRICAL RESISTANCE (Q) 8 2o 40 so 80 FIG. 29 TEMPERATURE ('0) 0 2o 40 60 80 I00 TEMPERATURECC) INVENTORS H1550 Hmm Klluo xplnvnsni, Mmolu 50m rm-sag sm'momn. EiznBuM YnMm, Kozm NWT! Sept. 17, 1968 HISAO FUTAKI ET Filed July 27, 1965 ELECTRICAL RESISTANCE (Q) 24 Sheets-Sheet 2O 3 FIG. 27 IO 5 2 Q I0 g b Yo d c O x IO O 20 4O 60 80 I00 TEWERATUREPC) FIG. 28 310 X\ d '6 m \(\X Id \N so TEMPERATURE (C) INVENTORS FH SHO FILTHKI KHMO KODHYHSNL 

